gelbooruhttps://xbooru.com/index.php?page=atom&tags=1boy 2010s 2018 animated skeleton back view bondage bottom sans bound arms bound hands bound legs bound wrists completely naked completely nude duplicate legs apart legs spread lower resolution duplicate male male only malesub monster naked nsfwgarbagedump nude rope rope bondage sans sans (undertale) skeleton solo spread legs submissive submissive male sweat tied arms tied hands tied legs tied up uke sans undead undertale undertale (series) white background2024-05-12T11:49:56Zgelbooru